# Detroit Diesel 6-71TIB Exhaust Mixing Elbow JT3645 Stainless Steel Replacement (HDI DET2-90)

**Detroit Diesel 6-71TIB Exhaust Mixing Elbow JT3645 Stainless Steel Replacement**

HDI Marine part DET2 replaces Detroit Diesel / Johnson & Towers JT3645.

Suits Detroit Diesel Engines: 6-71TIB (485HP)

Cast 316 Stainless Steel Mixing Elbow - Precision CNC machined investment cast 316 stainless steel

Incl Gasket and 90 Dig water inlet elbow Bend / Straight- 180 Dig water inlet elbow available seperatly ref DETB180

2" Water Inlet

5" Mounting spiggot

8" (197mm) discharge diameter.

Measurements given on the photos are Approximate ( +/- 2mm)

Product weight 12.7kg. Boxed weight 14kg.

This is a non-OEM, aftermarket part HDI DET2-90.

## Details

- **Price:** 2025.0 AUD
- **Vendor:** HDI Marine
- **Tags:** Sawley’s AAM Aftermarket – Exhaust Elbows Mixers & Risers – Detroit Diesel HDI | Marine Exhaust Elbows Risers & Mixing Elbows

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2025.00 AUD | In stock |

## Images

- Detroit Diesel 6-71TIB Exhaust Mixing Elbow JT3645 Stainless Steel Replacement (HDI DET2-90)

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/detroit-diesel-6-71tib-exhaust-mixing-elbow-jt3645-stainless-steel-replacement-hdi-det2-90)
> Updated: 2026-06-23